This is an open, but unused package of Microsoft Windows Server 2003 Enterprise x64 Edition with 25 Client Access Licenses (CALs). It is the full retail version--NOT Academic, OEM, Not For Resale, Trial, Promotional or Upgrade. The Microsoft SKU is P72-00981.

Windows Server 2003 is the most productive infrastructure platform for powering connected applications, networks, and Web services from the workgroup to the data center. Easy to deploy, manage, and use, Windows Server 2003 helps you build a secure IT infrastructure that provides a powerful application platform for quickly building connected solutions and an information worker infrastructure for enhanced communication and collaboration anytime and anywhere.

Windows Server 2003 Enterprise x64 Edition is well suited for business-critical applications such as large databases and line-of-business applications, as well as Terminal Server deployments that use Terminal Server Session Directory.

Please ask any questions before purchasing. I will not accept any returns, refunds or exchanges because this is a software package, which can be installed and copied.